DMTA-10022-01EN, Rev. C, January 2015
Using Advanced Gaging Features
157
The B-scan begins drawing the cross section of the material as soon as the first
non-LOS reading is collected.
4.
To stop the collection of B-scan data:
Press
[FREEZE]
.
OR
With
B-SCAN LOS MODE
set to
STOP ON LOS
, simply uncouple the
transducer from the test material.
5.
While the B-scan is frozen, if
B-SCAN FREEZE REVIEW
is set to
ON
, use the
[
]
and
[
]
keys to move the review marker, and then read the thickness value
corresponding to the marker position.
6.
Press
[MEAS]
again to reset the B-scan and begin a new B-scan.
7.
Refer to “Saving B-Scans or Thickness Readings (Optional Datalogger)” on
page 157 for details on how to save B-scan data.
9.3.2
Using the B-Scan Alarm Mode
You can specify B-scan low and high alarm reference values, and turn the visual and
audible alarm functions
ON
and
OFF
. The B-scan alarm mode is similar to the
standard alarm mode (see “Using Alarms” on page 131), except that the alarm lines
are shown in the B-scan grid if the alarm reference values fall within the B-scan
thickness range. The alarms are also operational as you review B-scan thicknesses in
review mode within a frozen B-scan.
To use the B-scan alarm mode
1.
Activate and configure the B-scan (see “Using the B-Scan” on page 156).
2.
While in the measurement screen, press
[SETUP]
, and then select
ALARM
.
3.
In the
ALARM
screen (see Figure 7-7 on page 135):
a)
Set
ALARM ENABLE
to
ON
.
b)
Set
ALARM MODE
to
B-SCAN
.
c)
Enter the desired
LOW ALARM
and
HIGH ALARM
values.
4.
Press
[MEAS]
to return to the measurement screen.
5.
The horizontal red alarm lines appear on the B-scan (see Figure 7-5 on page 133).
9.3.3
Saving B-Scans or Thickness Readings (Optional Datalogger)
The 45MG is capable of performing the following tasks while the B-scan is in use:
Summary of Contents for 45MG
Page 8: ...DMTA 10022 01EN Rev C January 2015 Table of Contents viii List of Tables 227 Index 229...
Page 26: ...DMTA 10022 01EN Rev C January 2015 Introduction 16...
Page 36: ...DMTA 10022 01EN Rev C January 2015 Chapter 1 26...
Page 42: ...DMTA 10022 01EN Rev C January 2015 Chapter 2 32...
Page 136: ...DMTA 10022 01EN Rev C January 2015 Chapter 6 126...
Page 150: ...DMTA 10022 01EN Rev C January 2015 Chapter 7 140...
Page 157: ...DMTA 10022 01EN Rev C January 2015 Configuring the Instrument 147 Figure 8 3 The COMM screen...
Page 158: ...DMTA 10022 01EN Rev C January 2015 Chapter 8 148...
Page 196: ...DMTA 10022 01EN Rev C January 2015 Chapter 10 186...
Page 208: ...DMTA 10022 01EN Rev C January 2015 Chapter 11 198...
Page 226: ...DMTA 10022 01EN Rev C January 2015 Appendix A 216...
Page 232: ...DMTA 10022 01EN Rev C January 2015 Appendix C 222...
